Alpine Rainfall ForecastUnited StatesCASan Diego CountyAlpineToday 15 AprNo RainWed 16 Apr20%Thu 17 Apr30%Fri 18 Apr35%Sat 19 Apr5%Sun 20 AprNo RainMon 21 AprNo RainAlpine rainfall forecast issued today at 6:05 pm. Next forecast at approx. 8:05 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time San Diego RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads